2025-01-21T13:31:27.193Z31.6022132.32417.508manualconfirmedUSGS4.4mb1Origin/20250121165202.881965.49155Magnitude/20250121165202.882048.491562025-01-21T13:35:44.041751Z2025-01-21T16:52:04.528191ZSoutheast of Shikoku, Japanregion nameOrigin/20250121165202.881965.49155